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<div class="subTitle">org.apache.commons.math3.geometry.spherical.twod</div>
<h2 title="Class Edge" class="title">Class Edge</h2>
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<pre>public class <span class="strong">Edge</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Spherical polygons boundary edge.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>3.3</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/SphericalPolygonsSet.html#getBoundaryLoops()"><code>SphericalPolygonsSet.getBoundaryLoops()</code></a>, 
<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Vertex.html" title="class in org.apache.commons.math3.geometry.spherical.twod"><code>Vertex</code></a></dd></dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Circle.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Circle</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getCircle()">getCircle</a></strong>()</code>
<div class="block">Get the circle supporting this edge.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Vertex.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Vertex</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getEnd()">getEnd</a></strong>()</code>
<div class="block">Get end vertex.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getLength()">getLength</a></strong>()</code>
<div class="block">Get the length of the arc.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/threed/Vector3D.html" title="class in org.apache.commons.math3.geometry.euclidean.threed">Vector3D</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getPointAt(double)">getPointAt</a></strong>(double&nbsp;alpha)</code>
<div class="block">Get an intermediate point.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Vertex.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Vertex</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getStart()">getStart</a></strong>()</code>
<div class="block">Get start vertex.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>getStart</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Vertex.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Vertex</a>&nbsp;getStart()</pre>
<div class="block">Get start vertex.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>start vertex</dd></dl>
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<h4>getEnd</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Vertex.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Vertex</a>&nbsp;getEnd()</pre>
<div class="block">Get end vertex.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>end vertex</dd></dl>
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<h4>getLength</h4>
<pre>public&nbsp;double&nbsp;getLength()</pre>
<div class="block">Get the length of the arc.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>length of the arc (can be greater than \( \pi \))</dd></dl>
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<h4>getCircle</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Circle.html" title="class in org.apache.commons.math3.geometry.spherical.twod">Circle</a>&nbsp;getCircle()</pre>
<div class="block">Get the circle supporting this edge.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>circle supporting this edge</dd></dl>
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<h4>getPointAt</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/commons/math3/geometry/euclidean/threed/Vector3D.html" title="class in org.apache.commons.math3.geometry.euclidean.threed">Vector3D</a>&nbsp;getPointAt(double&nbsp;alpha)</pre>
<div class="block">Get an intermediate point.
 <p>
 The angle along the edge should normally be between 0 and <a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getLength()"><code>getLength()</code></a>
 in order to remain within edge limits. However, there are no checks on the
 value of the angle, so user can rebuild the full circle on which an edge is
 defined if they want.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>alpha</code> - angle along the edge, counted from <a href="../../../../../../../org/apache/commons/math3/geometry/spherical/twod/Edge.html#getStart()"><code>getStart()</code></a></dd>
<dt><span class="strong">Returns:</span></dt><dd>an intermediate point</dd></dl>
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